1.the inside diameter 11MM ; New Item With Very Good Condition Before Package 2.Package Included: This Listing Is For 1 pc Folding Gear Shifter Shift Lever and a beautiful keychain 3. The products you receive are consistent with the pictures. 4.Fitment: Folding Gear Shifter Shift Lever For keeway txm 125 110cc 125cc 140cc 150cc 160cc YX Lifan Pit Dirt Bike ATV Quad Go Kart Buggy Scooter Motorcycle Fit For Most of Motorcycle ATV Dirt Pit Bikes Parts Shifter Hole Install Size: 11mm/0.43" Length: 150mm/5.9" Note: Please Check The Size Before Purchasing, It Will Be More Convenient for You to Choose Replacement for Most of Motorcycle ATV Dirt Pit Bikes Parts Shifter XR CRF CRF50 CRF70 CRF XR50 XR70 Folding Gear Shifter Shift Lever Replacement For keeway txm 125 110cc 125cc 140cc 150cc 160cc YX Lifan Pit Dirt Bike ATV Quad Go Kart Buggy Scooter Motorcycle Easy Installation:Very Easy to Install and Operates Greatly